TABLE 1

Comparison of Correlation and PSNR Between the 4 MR-Based μ Maps and the CT μ Map

		Subject no.
Metric	MR-based μ map	1	2	3	4	5	Mean ± SD
Correlation (ρ)	Dixon	0.89	0.44	0.54	0.74	0.36	0.61 ± 0.21
	UTE	0.86	0.55	0.65	0.82	0.44	0.66 ± 0.18
	Registration	0.95	0.63	0.67	0.85	0.66	0.75 ± 0.14
	GENESIS	0.95	0.70	0.67	0.91	0.70	0.79 ± 0.13^*
PSNR (dB)	Dixon	19.95	17.59	18.24	18.04	18.01	18.37 ± 0.92
	UTE	16.62	16.43	17.50	16.73	16.32	17.12 ± 0.96
	Registration	23.09	19.37	18.18	21.52	20.86	20.61 ± 1.90
	GENESIS	23.36	21.17	20.62	22.38	22.04	21.92 ± 1.07^*

↵* Largest correlation and PSNR.